1) I would change the something to a reason and for isn't needed in this sentence (sounds better to me if you don't have the for) 2) you need the "a", player is countable. 3) by is needed in this sentence. "Just looking at her" is followed by other usages (don't know why, I will just give you an example and let someone else who knows why explain it to you) Just looking at him gives me the creeps.
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